Opal Type : Australian Solid Dark Opal
Carat Weight : 1.55 ct
Size : 6.20 mm x 12.12 mm approx.
Color : Multi-Color
Shape : Free Shape
Cut : Medium Dome Cabochon
Clarity : Opaque
Brightness B1 - B5 : B3.6
B1:Faint B2:Dull B3:Bright B4:Very Bright B5:Brilliant
Body Tone N1-N9 : N6 Dark Opal
N1-N4:Black Opal N5-N6:Dark Opal N7-N9:Light Opal
Treatment : NONE
Origin : Lightning Ridge Opal Field, NSW Australia
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Total Item Weight : 3.86 g
Metal Type : Silver
Metal Purity : 92.5 Sterling
Ring Size :
US 6.75 (17.1 mm)
Britain/Australia N
Asia 13.5
Euro 53